Nikon CM200 Disassembly of Control Heads CM300/PM400, 12Control Head Housing Removal CM300/PM400

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Radio Disassembly - Detailed	2-11

6.8Disassembly of Control Heads - CM300/PM400

1.Disconnect the flat cable from the Control Head PCB connector. See Figure 2-12.

2.Remove the PCB from the keypad assembly.

3.Remove the LCD assembly from the rubber keypad assembly.

4.Remove the keypad assembly from the control head housing by lifting it up from the face side.

5.Disconnect the speaker socket and remove the speaker from the keypad assembly.

NOTE DO NOT touch or contaminate the conductive pads on the under side of the keypad, the conductive contacts on the printed circuit board or the elastomeric connector.

Control Head Housing

Speaker	Keypad Assembly
Speaker
	LCD AssemblyPCB

Figure 2-12Control Head Housing Removal CM300/PM400

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Contents Commercial Series Page CM200/CM300/PM400 Radios Foreword Table of Contents Transceiver Performance Testing Glossary This page Intentionally Left Blank Product Safety and RF Exposure Compliance Safety InformationThis page is Intentionally Blank Introduction Replacement Parts Ordering Radio Model Information This page Intentionally Left Blank Cleaning Procedures Preventive MaintenanceChapter IntroductionSafe Handling of Cmos and Ldmos Devices Cleaning Internal Circuit Boards and ComponentsParts Replacement and Substitution Repair Procedures and Techniques GeneralDisassembling and Reassembling the Radio General Rigid Circuit BoardsVolume Knob Removal Radio Disassembly DetailedControl Head Removal 3Flat Cable Removal 5Top Cover Removal Chassis Horizontal Top Cover RemovalPA Shield and DC Cable Removal Main Shield Removal8PA Shield and DC Cable Removal for High Power Models PA Clip and Main PCB Removal for Low Power Models10PA Clip and Main PCB Removal for High Power Models Main PCB Removal for High Power ModelsPCB Disassembly of Control Head CM20012Control Head Housing Removal CM300/PM400 Disassembly of Control Heads CM300/PM400Chassis Assembly for Low Power Models Radio AssemblyChassis Assembly for High Power Models Control Head Fitting Control Heads AssemblyOption Board Installation Radio Assembly 1-25 W Models Radio Exploded Mechanical Views and Parts ListsItem No Description Part Number Radio Assembly 25-40 W/25-45 W Models Item no Description Control Head CM200Control Head CM300/PM400 Motorola Part Description Application Service AidsTest Equipment FLO830308-0 Programming/Test Cable RKN4083Adapter Cable FKN8113 20Pin Configuration of FKN8113Service Monitor Test Set Power Supply SetupGeneral Table Number TitleTo enter test mode display radios RF Test ModeHSS CMPTest Name Communications Analyzer Radio Test Set Comment Test ModePL/DPL DtmfTPL DPLSinad This page Intentionally Left Blank Description Kit Number CPS Programming/Flashing Setup with RIBCPS CPS Programming Setup with RIB with Telco Connector CPS Programming/Flashing Setup RiblessCPS Programming Setup with RIB CPS Programming Setup with RIB Accessory ConnectorInitial Test Equipment Control Settings Radio Tuning SetupService Monitor Test Set Power Supply Error Codes Power UP SELF-TESTPower UP SELF-TEST Antennas AccessoriesVHF UHFAudio Alarms and AccessoriesPublic Address Control StationCables MountingPeripherals Data CES Wireless TechnologiesSCI Accessory Connector Pin FunctionSCI/DTMF Microphone Connector Pin Function146-174 MHz CM200/CM300/PM400 Model Chart Low Power RadiosVHF2, 1-25 W, 146-174 MHz Model DescriptionUHF2, 1-25 W, 438-470 MHz 438-370 MHz CM200/CM300/PM400 Model ChartAAM50RNC9AA1A AAM50RNF9AA1ANSpecification SpecificationsGeneral ESDReceiver Transmitter136-162 MHz CM300 Model Chart High Power RadiosVHF1, 25-45 W, 136-162 MHz VHF2, 25-45 W, 146-174 MHzUHF2, 25-40 W, 438-470 MHz 438-470 MHz CM200/CM300/PM400 Model ChartAAM50RPC9AA1A AAM50RPF9AA1ANUHF3, 25-40 W 465-495 MHz 465-495 MHz PM400 Model ChartAAM50SPF9AA3AN VHF1 VHF2 UHF2 UHF3 35 ∝V @ 12.5 kHz ∝V @ 25 kHz MIL-STD MIL StandardsTerm Definition Glossary of TermsOSW ResetPLL PTTVcobic VCOVswr This page Intentionally Left Blank Page 6802966C15